Metrics per run

https://en.wikipedia.org/wiki/ChatGPT

Tested 2025-04-27 04:34:24 using Firefox 137.0 (runtime settings).

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 586 ms 586 ms 495 ms 495 ms 513 ms513 ms535 ms42 ms7.88 %
First Contentful Paint 1.169 s 1.185 s 1.084 s 1.067 s 1.117 s1.117 s1.124 s46 ms4.10 %
Largest Contentful Paint 1.962 s 1.205 s 1.747 s 1.238 s 1.153 s1.238 s1.461 s330 ms22.55 %
Interaction to Next Paint 210.56 ms 221.98 ms 211.9 ms 199.02 ms 220.54 ms212 ms213 ms8 ms3.87 %
Timing metrics
First Paint 1.176 s 1.194 s 1.095 s 1.085 s 1.129 s1.129 s1.136 s43 ms3.80 %
First Contentful Paint 1.169 s 1.185 s 1.084 s 1.067 s 1.117 s1.117 s1.124 s46 ms4.10 %
Largest Contentful Paint 1.962 s 1.205 s 1.747 s 1.238 s 1.153 s1.238 s1.461 s330 ms22.55 %
Load Event End 2.242 s 2.322 s 2.154 s 2.275 s 2.330 s2.275 s2.265 s64 ms2.82 %
Server Response Time 195 ms 195 ms 195 ms 194 ms 194 ms195 ms195 ms0 ms0.25 %
TTFB 586 ms 586 ms 495 ms 495 ms 513 ms513 ms535 ms42 ms7.88 %
Page Load Time 2.241 s 2.321 s 2.154 s 2.275 s 2.330 s2.275 s2.264 s64 ms2.82 %
First Visual Change 1.200 s 1.266 s 1.166 s 1.133 s 1.200 s1.200 s1.193 s44 ms3.70 %
Last Visual Change 3.100 s 3.233 s 3.166 s 3.166 s 3.066 s3.166 s3.146 s58 ms1.85 %
Speed Index 1.234 s 1.293 s 1.199 s 1.162 s 1.226 s1.226 s1.223 s43 ms3.53 %
Visual Readiness 1.900 s 1.967 s 2.000 s 2.033 s 1.866 s1.967 s1.953 s62 ms3.17 %
Visual Complete 95 1.200 s 1.266 s 1.166 s 1.133 s 1.200 s1.200 s1.193 s44 ms3.70 %
Visual Complete 99 1.967 s 2.033 s 1.966 s 1.933 s 2.000 s1.967 s1.980 s34 ms1.72 %
CPU metrics
Browser metrics
CPU benchmark score 51 ms 51 ms 51 ms 51 ms 52 ms51 ms51 ms0 ms0.78 %
Page metrics
DOM elements 8912 8912 8912 8912 89128912891200.00 %
Document height 36292 36292 36292 36292 36292362923629200.00 %
Total Requests 57 57 57 57 57575700.00 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 7 7 7 7 77700.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 842.9 KB 842.9 KB 842.9 KB 842.9 KB 842.9 KB842.9 KB842.9 KB3 B0.00 %
HTML Transfer Size 138.2 KB 138.2 KB 138.2 KB 138.2 KB 138.2 KB138.2 KB138.2 KB0 b0.00 %
JavaScript Transfer Size 289.4 KB 289.4 KB 289.4 KB 289.4 KB 289.4 KB289.4 KB289.4 KB0 b0.00 %
CSS Transfer Size 25.8 KB 25.8 KB 25.8 KB 25.8 KB 25.8 KB25.8 KB25.8 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 1.9 KB 1.9 KB 1.9 KB 1.9 KB 1.9 KB1.9 KB1.9 KB0 b0.00 %
SVG Transfer Size 33.2 KB 33.2 KB 33.2 KB 33.2 KB 33.2 KB33.2 KB33.2 KB0 b0.00 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 57 57 57 57 57575700.00 %
First Party Total Transfer Size 842.9 KB 842.9 KB 842.9 KB 842.9 KB 842.9 KB842.9 KB842.9 KB3 B0.00 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %